diff --git a/include/internal/TestCPPAssertions.h b/include/internal/TestCPPAssertions.h
index 8cdccce..5b3bc34 100644
--- a/include/internal/TestCPPAssertions.h
+++ b/include/internal/TestCPPAssertions.h
@@ -301,10 +301,9 @@ namespace TestCPP {
             const string& failureMessage
         )
         {
-            static constexpr const char* nullAssertionMessage = "Null assertion failed!";
-
             bool null = ptr == nullptr;
             if (!null) {
+                static constexpr const char* nullAssertionMessage = "Null assertion failed!";
                 return logTestFailure(
                     "", "",
                     nullAssertionMessage,
@@ -321,10 +320,9 @@ namespace TestCPP {
             const string& failureMessage
         )
         {
-            static constexpr const char* notNullAssertionMessage = "Not Null assertion failed!";
-
             bool notNull = ptr != nullptr;
             if (!notNull) {
+                static constexpr const char* notNullAssertionMessage = "Not Null assertion failed!";
                 return logTestFailure(
                     "", "",
                     notNullAssertionMessage,
diff --git a/include/internal/TestCPPTestCase.h b/include/internal/TestCPPTestCase.h
index f092f33..2edfe26 100644
--- a/include/internal/TestCPPTestCase.h
+++ b/include/internal/TestCPPTestCase.h
@@ -143,7 +143,7 @@ namespace TestCPP {
          *          TestCase.
          * @param o The test case from which to make a copy.
          */
-        TestCase (TestCase& o);
+        TestCase (const TestCase& o);
 
         /**
          * @brief Construct a TestCase by moving all data from another
@@ -157,7 +157,7 @@ namespace TestCPP {
          * @param rhs The test case to copy from.
          * @return A reference to the new TestCase copy.
          */
-        TestCase& operator= (TestCase& rhs);
+        TestCase& operator= (const TestCase& rhs);
         
         /**
          * @brief Move a TestCase into another TestCase.
@@ -289,7 +289,7 @@ namespace TestCPP {
          * @param out The stream to write the test failure reason to.
          * @param reason The test failure reason to write.
          */
-        void logFailure (ostream& out, string& reason);
+        void logFailure (ostream& out, const string& reason);
         /**
          * @brief If a test encounters an error while running, this
          *          function will be called to log the test error.
diff --git a/src/TestCPPTestCase.cpp b/src/TestCPPTestCase.cpp
index c4c3d43..c032288 100644
--- a/src/TestCPPTestCase.cpp
+++ b/src/TestCPPTestCase.cpp
@@ -142,7 +142,7 @@ namespace TestCPP {
         this->option = opt;
     }
 
-    TestCase::TestCase (TestCase& o) {
+    TestCase::TestCase (const TestCase& o) {
         this->outCompareOption(o.option);
         this->setNotifyPassed(o.notifyTestPassed);
 
@@ -231,7 +231,7 @@ namespace TestCPP {
         }
     }
 
-    TestCase& TestCase::operator= (TestCase& rhs) {
+    TestCase& TestCase::operator= (const TestCase& rhs) {
         this->outCompareOption(rhs.option);
         this->setNotifyPassed(rhs.notifyTestPassed);
 
@@ -289,7 +289,7 @@ namespace TestCPP {
         return this->lastRunTime;
     }
 
-    void TestCase::logFailure(ostream& out, string& reason) {
+    void TestCase::logFailure(ostream& out, const string& reason) {
         out << fixed;
         out << setprecision(TCPPNum::TIME_PRECISION);
         out << TCPPStr::TEST << this->testName << TCPPStr::FAIL
diff --git a/test/include/TestCase/TestCaseSuite.h b/test/include/TestCase/TestCaseSuite.h
index 18b1e5a..ba306ad 100644
--- a/test/include/TestCase/TestCaseSuite.h
+++ b/test/include/TestCase/TestCaseSuite.h
@@ -13,6 +13,14 @@ namespace TestCPP {
                     "Case construction Test",
                     function<void()>(TestCaseTests::TestConstructCase)
                 ),
+                make_tuple(
+                    "Case assignment Test",
+                    function<void()>(TestCaseTests::TestAssignTestCase)
+                ),
+                make_tuple(
+                    "Case move assignment Test",
+                    function<void()>(TestCaseTests::TestMoveAssignTestCase)
+                ),
                 make_tuple(
                     "Case runner Test",
                     function<void()>(TestCaseTests::TestTestCaseGo)
diff --git a/test/include/TestCase/TestCaseTests.h b/test/include/TestCase/TestCaseTests.h
index 35ca62a..9832a98 100644
--- a/test/include/TestCase/TestCaseTests.h
+++ b/test/include/TestCase/TestCaseTests.h
@@ -5,6 +5,8 @@ namespace TestCPP {
     namespace Testing {
         namespace TestCaseTests {
             void TestConstructCase ();
+            void TestAssignTestCase ();
+            void TestMoveAssignTestCase ();
             void TestTestCaseGo ();
             void TestTestCaseGoThrowStr ();
             void TestTestCaseGoThrowChr ();
diff --git a/test/src/TestCase/TestCaseTests.cpp b/test/src/TestCase/TestCaseTests.cpp
index e6fe31d..b880166 100644
--- a/test/src/TestCase/TestCaseTests.cpp
+++ b/test/src/TestCase/TestCaseTests.cpp
@@ -39,6 +39,59 @@ namespace TestCPP {
                 parameterVariationTestChunks();
             }
 
+            /**
+             * Targets various types of non-move assignments.
+             */
+            void TestAssignTestCase() {
+                const auto test = unique_ptr<TestCase>(new TestCase(
+                    "Assignment case Test - const TestCase",
+                    function<void()>([]() {})
+                ));
+                const auto test2 = unique_ptr<TestCase>(new TestCase(
+                    "Assignment case Test 2 - const TestCase",
+                    function<void()>([]() {})
+                ));
+
+                Assertions::assertTrue(
+                    test->go(),
+                    "Should have succeeded basic no-op test!"
+                );
+
+                const TestCase& testCopy = *test;
+                TestCase testCopy2 = *test2;
+                testCopy2 = testCopy;
+
+                Assertions::assertTrue(
+                    testCopy2.go(),
+                    "Should have succeeded basic no-op test!"
+                );
+            }
+
+            void TestMoveAssignTestCase() {
+                auto test = unique_ptr<TestCase>(new TestCase(
+                    "Move Assignment case Test - const TestCase",
+                    function<void()>([]() {})
+                ));
+                auto test2 = unique_ptr<TestCase>(new TestCase(
+                    "Move Assignment case Test 2 - const TestCase",
+                    function<void()>([]() {})
+                ));
+
+                Assertions::assertTrue(
+                    test->go(),
+                    "Should have succeeded basic no-op test!"
+                );
+
+                TestCase tempCpy = *test;
+                *test = std::move(*test2);
+                *test2 = std::move(tempCpy);
+
+                Assertions::assertTrue(
+                    test->go(),
+                    "Should have succeeded basic no-op test!"
+                );
+            }
+
             void TestTestCaseGo () {
                 auto test = unique_ptr<TestCase>(new TestCase(
                     "SUB-TEST TestCaseGo case Test",